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Understanding 9/11- Usage
- Public Domain Mark 1.0
Beginning with the simplest machines--the lever--the book proceeds with a discussion of block and tackle, wheel and axle, incline plane, screw, and gears. It explains the principles of work and power, and differentiates between the terms force and pressure. The fundamentals of hydrostatic and hydraulic mechanisms are discussed in detail. The final chapter includes several examples of the combinations of simple mechanisms which make complex machines.
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